Ic Descriptions/Pinouts - Harman Kardon HK3485 Service Manual

HK3485
ST72F321R (U-COM)
Figure 1. Device Block Diagram
RESET
V
PP
TLI
V
SS
V
DD
EVD
OSC1
OSC2
PF7:0
(8-bits)
PE7:0
(8-bits)
PD7:0
(8-bits)
V
AREF
V
SSA
: IC81
8-BIT CORE
ALU
CONTROL
LVD
AVD
OSC
MCC/RTC/BEEP
PORT F
TIMER A
BEEP
PORT E
SCI
PORT D
10-BIT ADC
PROGRAM
MEMORY
(16K - 60K Bytes)
RAM
(512 - 2048 Bytes)
WATCHDOG
I2C
PORT A
PORT B
PWM ART
PORT C
TIMER B
SPI
28
harman/kardon
PA7:0
(8-bits)
PB7:0
(8-bits)
PC7:0
(8-bits)
3